Android :: Use Java Classes In Project?

Apr 28, 2010

Since i'm still new on Android programming, I have some problems on some issues. I have a QuadTree data structure implementation in 3 seperated Java files and i would like to use this data structure in my application. But i don't know how to use this .java files in an Android project. I tried to put them in a new Android project, just for testing, but I get lots of errors. Could anyone help me about using this java classes in my Application?

Android :: use Java classes in project?


Android :: Including Prebuilt Java Classes Into Project

May 3, 2010

i'm trying to include a maven java project into my android project. the maven project is the greader-unofficial project which allows developers access to google reader accounts, and handles all of the http transactions and URI/URL building, making grabbing feeds and items from google reader transparent to the developer. the project is available here:

the code is originally written for the standard jdk and uses classes from java.net that are not a part of the standard Android SDK. i actually tried to manually resolve all dependencies and ran into a problem when i got as far as including com.sun.syndication pieces required by the class be.lechtitseb.google.reader.api.util.AtomUtil.java... some of the classes in java.net that are in the standard jdk (i'm using 1.6) are not in the Android SDK. in addition, resolving all of these dependencies manually is just ridiculous when i'm compiling a maven project that should be pretty simple.

however, i can use maven to compile the sources with no issue. how can i include this maven project, which is dependent on the complete jdk, into my android project in such a way that it will compile so that i can access the GoogleReader class from my android project? and for the record, i don't have the expertise to rewrite this entire api to work with the standard Android SDK.

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Android :: Get Project And Std Java Project To Play Nice?

Aug 11, 2010

I can now get our Android project to talk to our non-Android project. But there's still an issue: I are trying to have an Android class call a non Android Hello World class. I tried compiling our non-Android Hello World class in a separate Eclipse workspace. I then packaged it into a jar. I imported that jar into our Android Hello World class.

I then called one of the methods in the non-Android Hello World class. When I ran the Android Hello World class as an Android application, the following runtime error occurred. Here are the Android debug logs:

08-11 09:07:56.764: ERROR/AndroidRuntime(333): FATAL EXCEPTION: main
08-11 09:07:56.764: ERROR/AndroidRuntime(333): java.lang.ExceptionInInitializerError
08-11 09:07:56.764: ERROR/AndroidRuntime(333): at com.hello2.hello2.onCreate(hello2.java:27)
08-11 09:07:56.764: ERROR/AndroidRuntime(333): at android.app.Instrumentation.callActivityOnCreate(I nstrumentation.java:1047).....................

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Android :: Writing Test Code In One Eclipse Project For Classes From Other?

Oct 2, 2010

I want to be able to have two projects, one that contains production code and one that contains test code. This shouldn't necessarily be an Android-specific question, but I'm want to write some unit tests for some non-platform-specific Android code on the host PC.

I created a new Java project so I can run the unit tests on the PC and only include the non-platform-specific classes from the Android project. Both projects are opened in the same Eclipse workspace. I assume I need to somehow include these Android-project sources explicitly in the new project where I'll run the Junit tests, but I can't figure out how to do this.

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Android :: R.java File From Android Library Project Not Importing Into Application Project

Aug 8, 2010

I followed the instructions here on how to create an Android library project, and use it in an Android application:

http://developer.android.com/guide/developing/eclipse-adt.html

But it is not working. I can see the library project is added to my application but I cannot reference anything in it because it won't build. The R.java file from the lib is NOT being added to my application project, so the lib project contains tons of errors, everywhere it tries to reference it's own R.java file.

I don't know if this has anything to do with it, but in the console there are messages stating that the there is "No resource identifier found for attribute 'X' in package 'Lib Package'. My library package has a a few styleable attributes defined for a custom view I made, all of which are being complained about in this console message. The library builds just fine, and I don't get those messages in the console until I hook the library to my application, so I don't know what's up with this.

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Android :: Java Classes Not Inclded ?

Sep 26, 2010

How can I install java classes not included with android ?

Is it possible to add java.awt.image package into android?

Where can I find above package jar file?

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Android :: Java Not Able To Find Classes

Nov 24, 2010

When calling javah on a .java file in my android project, javah was unable to find the android classes (specifically android.graphics.Bitmap).

Here's the terminal output:

CODE:..................

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Android :: Provide Own Implementations Of Java.awt.* Classes For Jar

Oct 16, 2010

I have a .jar in my Android project which has many references and uses of the java.awt.* classes and other classes not available on Android. How can I provide my own implementations of these classes so that I can embed the unmodified .jar file (the only modification is being ran through dx) in my Android application and it will use my own class implementations?

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Android :: Make Own Jar File With Java Classes?

Mar 18, 2009

I downloaded the android source code.. how to make our own jar file with all our available java classes in the Android source code....

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Android :: Way To Integrate Two Java Classes / Use It In Phone?

Nov 24, 2010

I am developing android application but i don't know how to integrate two activity files(two java classes) with one-onether like we are doing in java?If u have solution please tell me how to do it?

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Android :: Utility Classes In Java Programming?

Oct 13, 2010

I am new to Java and I referred regarding my question on the Net but not quite Satisfied. I want to know what the "Utility Class" in Java is?

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Android :: Updating Framework - How To Include New Java Classes For.jar

Jul 11, 2009

I updated the android framework ( java code), and I was able to compile the new java classes and test it. My issue is that i want to make some of the new java classes part of the android.jar, and i am unable to figure out the best way to add it to be build file.

For example: I want to include another class just like com.android,internal.util.Predicate.class is included in the android.jar. How and where do one indicate that the Predicate.class needs to be included in the android.jar?

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Android : Do Activity Classes Need To Be In A Separate .java File?

Sep 8, 2010

I am new to android development and am currently working my way through the "Hello..." Tutorials on the developer website.

I got stuck on the Tab Layout walkthrough and the only way I could resolve it was to put each Activity Class in a separate .java file.

I was wondering if all Activities need to be in separate .java files, or am I missing something.

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Android :: Self-contained Test Library Project Cannot Find Library Classes

Aug 17, 2010

According to this SDK guide, unit-testing a Library project can be achieved by creating a standard application project, reference the Library project and then instrument the application for unit testing. However, when I do this and launch the test application I get the message.No tests found with test runner 'JUnit 3".I'm using Eclipse and the Android ADT plugin, all latest versions.the projects compile just fine. The test project also installs fine to the emulator. But in the console I can see that it looks for <library>.apk, which of course doesn't exist since I'm compiling this as a library into the test project.

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Android : Class Generator For Data Classes Used In Java / Droid From Existing Wsdl File?

Apr 3, 2010

Is there any class generators to process web services in Android/Java? I may have to write my own to generate classes against WSDL but I'm trying not to. Also is there one for REST services as well?

If not providing me with discovery service suggestions like disco/wsdl are good enough.

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Android :: Visualizing Java Project

May 8, 2009

I have been tasked with porting a large Java code base to the Android platform. The project makes extensive use of AWT which isn't' supported on Android. I'm looking for a tool that lets me visualize all of the classes in the project. I'd like to be able to see all of the relationships between classes so that I can get a good idea of where to start the port.

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Android :: Conflicting Resource Id Of Two Different Project's R.java

Oct 18, 2010

I have two different project A & B. Inside the project A I link the source from project B so activity from project A can start the activity from project B. I'm using Eclipse Galileo.The problem is, when I want to edit the value of a view in activity B, the resource id from both projects have some conflicts in it. So when I call findViewById() in activity B I got a view from the activity A instead.I've declared the activity B inside the AndroidManifest in project A. I've even tried to start the activity B as the entry point of the application but it didn't show anything at all. It's like the findViewById tried to search the view of project A only although I've specified the package name correctly.

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Android :: How To Generate A Java Doc For Phone Project?

Sep 24, 2010

Does someone know how to generate a javadoc for an android project? I found searching the net this info http://www.androidjavadoc.com/?p=63 , but i don't understand where can i find the file "droiddoc.mk": "All javadoc stuff is concentrated in the ROOT/build/core/droiddoc.mk".

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Android :: No Generated R Java File In Project

Nov 3, 2010

I am doing the Notepad tutorial, exercise 2. I started by creating a new Android project and chose Create from source to import the downloaded source files for the excercise. But now I get many errors in Eclipse, and the problem is that there is no generated R.java class. How can I solve this? The folder gen / is empty. I have errors on Notepadv2.java and in res/layout/note_edit.xml and both seems to be related to the fact that the generated R.java is missing. Here is my import statements in Notepadv2.java:

import android.R;
import android.app.ListActivity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

They are created by the Eclipse command Ctrl+Shift+O.

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Android :: R.java Disappears After Project Clean

Oct 9, 2010

After I added some .png files into my Project Workspace drawable folder I refreshed my drawable folders in Eclipse and the newly added files showed up. But when I tried to access those resources using R.drawable.xyzimage, xyzimage although in the folder could not be resolved. So I did a Project Clean and guess what after this clean R.java is totally gone and all my classes accessing resources using R.java is showing all sorts of error and Eclipse won't let me run the code anymore. I have backup of my source code but I want to explore if R.java can be regenerated and how?

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Android :: Java OpenGL ES 2.0 Bindings Project

Mar 12, 2010

i started a small project over at google code that provides you with bindings for OpenGL ES 2.0 in Java. I started just a couple of hours ago so it's not finished yet. The project includes the original GLSurfaceView plus all the helper classes from the latest Eclair build as well as a modified version of GLJNIView from the NDK samples which is now a fully functional GLSurfaceView subclass called GLSurfaceView20.

OpenGL ES 1.x and 2.0 are exclusive so you have to first check wheter GL ES 2.0 is supported. You can check this via the following method:

private boolean checkGL20Support( Context context ) { EGL10 egl = (EGL10) EGLContext.getEGL(); EGLDisplay display = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);

int[] version = new int[2]; egl.eglInitialize(display, version);...................

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Android :: HttpPost Not Works In Java Project

Nov 19, 2010

I've written some code for my Android device to login to a web site over https and parse some data out of the resulting pages. An HttpGet happens first to get some info needed for login, then an HttpPost to do the actual login process. The code below works great in a Java project within Eclipse which has the following Jar files on the build path: httpcore-4.1-beta2.jar, httpclient-4.1-alpha2.jar, httpmime-4.1-alpha2.jar, commons-logging-1.1.1.jar.

public static MyBean gatherData(String username, String password) {
MyBean myBean = new MyBean();
try {
HttpResponse response = doHttpGet(URL_PAGE_LOGIN, null, null);
System.out.println("Got login page");
String content = EntityUtils.toString(response.getEntity());
String token = ContentParser.getToken(content);
String cookie = getCookie(response);.......................

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Android :: Java Model Exception When Cleaning Project

Sep 30, 2009

I keep getting this error under several projects. 10 minutes ago I exported an android .apk, then changed the AndroidManifest.xml and now can't export. I reverted back to the original AndroidManifest.xml but still it doesn't work. I guess the plugin is broken. Is there a set of Ant tasks that can be used to build Android apps?

.............

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Android :: Amazon Web Services Java SDK Jar In Project In Eclipse

Sep 28, 2010

I'm trying to use the Amazon Web Services Java SDK jar in an Android project in Eclipse, but it has references to org.apache.commons.httpclient. All I seem to have in my Android SDK (2.2) is org.apache.commons.http.client, which is a different namespace and obviously causes the build to fail.

I'm new to Java, Eclipse, and Android dev... is there a way to "map" one name space to the other or create some sort of symbolic link? If not, does that mean I have to import a "standard" org.apache.commons library?

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Android :: Develop Using Libraries In Simple Java Project - Without Using Dalvik And Such

Oct 9, 2010

As I am very pissed off of using the emulator to develop any Java class, I thought of setting up a project in Eclipse and instead of the usual JRE I linked to the Android.jar (version 2.1) that usually the Android projects link to. I don't mean to use this to develop Layouts or other specific platform things, I was just trying to create a class that uses HttpClient.

It miserably crashes like this.

CODE:.............

I mean I'd like to develop libraries (and test them) so that when I go to the emulator I don't have to deal with them. Is there a good way to do this? This seems not to work for some reason.

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Android :: Eclipse Deletes Java Files On Build Of Project

Sep 21, 2010

I have an interesting problem. I pull down an android project from cvs, which works fine. Once Eclipse builds the project, my .java files are removed. XML files, pngs, everything else is fine. I seem to be left with just the package tree, but no source files. Any thoughts?

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Android :: Error Loading Java.awt.font In Eclipse Project?

Sep 16, 2010

I've seen a few places where this was asked but I haven't seen where it's been resolved. I've just installed the tools needed to develop Android applications. This includes, of course, Eclipse. When I try to open the res/main.xml file, I get the error 'could not initialize class java.awt.font'.I'm running the newest version of Eclipse and all the software required for Android development. I'm running on Ubuntu 10.04 32bit. Sun JDK and JRE are installed.

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Android :: Way To Include Other Java Source Projects In Droid Project?

Sep 18, 2009

Is it possible to include other Java source projects in Eclipse into an Android project? Normally for a regular Java project you do this by adding the other project to the build path and including it in the Project References. This same approach lets the code compile, but when the app is deployed to the emulator, it throws a VerifyError when I try and instantiate classes from my other project. Is this possible with the Android SDK? Do you have to build them to jars and include them inside your Android project like this? I know this works, but just involves more steps to do this.

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Android :: Get Hold Of Context For Junit Test From Java Project?

Jul 3, 2010

I need to access and Android context for a JUnit Test. I have tried using MockContext and extending the AndroidTestCase but each time I get an error saying (stub!)

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Android :: Converting Android Project To Regular Java Inside Eclipse?

Apr 2, 2010

Ive inherited some code which started out as an Android project but really is just an API to be used by other applications. Hence, the 'build' process usually just produces a JAR file. The problem I am having is that I get errors from the Android build tools in my console which seem to fire everytime I make a change to some files.

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